Philo, CA solar installation & market data
Updated May 6, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Philo has 88 solar installations across 1 zip code at a median installed cost of $6.28/W, recent growth not yet measurable, and an installs-weighted Market Score of 29.
Active installations
88
Zip markets
1
Median cost
$6.28/W
12-mo growth
—
Installers active
12
City Market Score
Weak · installs-weighted across 1 zips
Best zip in Philo scores higher than 3% of U.S. zip markets.
Versus California
How Philo compares with the state
Installed cost
$2.02/W above
state median $4.26/W
Market score
29 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
8.0%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Growth & pricing
Philo by year
5 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Philo
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | RADIANT SOLAR TECH | 16 | 0 | 1 | $8.40 |
| 2 | MENDOCINO SOLAR SERVICE | 13 | 0 | 1 | $6.50 |
| 3 | MENDOCINO SOLAR WORKS | 8 | 0 | 1 | $6.92 |
| 4 | INFINITY ENERGY | 4 | 0 | 1 | $7.24 |
| 5 | ARAGON ELECTRIC CONTRACTORS | 3 | 0 | 1 | $5.67 |
| 6 | GAIA ENERGY SYSTEMS | 3 | 0 | 1 | $8.74 |
| 7 | PURE POWER SOLUTIONS | 3 | 0 | 1 | — |
| 8 | RADIANT SOLAR TECHNOLOGY | 2 | 1 | 1 | $5.18 |
| 9 | REAL GOODS | 2 | 0 | 1 | $8.63 |
| 10 | RGS ENERGY | 2 | 0 | 1 | $6.43 |
| 11 | SWSS ELECTRIC | 2 | 0 | 1 | — |
| 12 | COLDWELL SOLAR | 1 | 1 | 1 | $7.19 |
Zip markets
Zips in Philo
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95466 | 88 | $6.28 | 29 F |